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Categoria: Malware

Malware, Malware and Phishing Analysis, segurancainformatica

URSA trojan is back with a new dance

14 Setembro, 2022

The Latin American URSA trojan returns in 2022 with a new dance.

Malware, Malware and Phishing Analysis, segurancainformatica

Mars Stealer malware analysis

8 Junho, 2022

Mars Stealer malware analysis

Malware, Malware and Phishing Analysis, segurancainformatica

Brazilian trojan impacting Portuguese users and using the same capabilities seen in other Latin American threats

12 Março, 2022

  Introduction A new variant of a Brazilian trojan has impacted Internet end users in Portugal since last month (February 2022). Although there are no…

Malware, Malware and Phishing Analysis, segurancainformatica

The hidden C2: Lampion trojan release 212 is on the rise and using a C2 server for two years

26 Fevereiro, 2022

The hidden C2: Lampion trojan release 212 is on the rise and using a C2 server for two years.

Malware, Phishing, segurancainformatica, Threat Report Portugal

Threat Report Portugal: Q4 2021

20 Fevereiro, 2022

Threat Report Portugal Q4 2021: Phishing and malware by numbers.

Malware, segurancainformatica

NetWire malware analysis

11 Dezembro, 2021

NetWire is a remote access Trojan focused on password stealing and keylogging, as well as including remote control capabilities. This threat has been used by…

Malware, Mobile, segurancainformatica

MalLocker Android ransomware analysis

18 Novembro, 2021

Malware is persistent presence in our life. In the past few months, several pieces of different malware families were identified as affecting mobile devices. This…

Malware, Phishing, segurancainformatica, Threat Report Portugal

Threat Report Portugal: Q3 2021

13 Novembro, 2021

Threat Report Portugal Q3 2021: Phishing and malware by numbers.

Cybercrime, Malware, segurancainformatica

Troystealer malware analysis

6 Novembro, 2021

We are living in an era where malware is part of our daily lives. Emergent campaigns are increasing, each more sophisticated and harder to detect…

Malware, Malware and Phishing Analysis, ransomware, segurancainformatica

Malware analysis: Details on LockBit ransomware

5 Outubro, 2021

Introduction LockBit is a data encryption malware in operation since September 2019 and a recent Ransomware-as-a-Service (RaaS), in which developers are in charge of the payment site…

computer security, Malware, segurancainformatica

Ransomware deletion methods and the canary in the coal mine

17 Setembro, 2021

Introduction  Ransomware is an emergent threat. Every week, there is a new and notable outbreak of this class of data encryption malware. From Ragnar Locker to Netwalker, the threats…

Malware, Malware and Phishing Analysis, reverse engineering, segurancainformatica

The new maxtrilha trojan is being disseminated and targeting several banks

10 Setembro, 2021

A new banking trojan dubbed maxtrilha (due to its encryption key) has been discovered in the last few days and targeting customers of European and…

Malware, Malware and Phishing Analysis, ransomware, reverse engineering, segurancainformatica

Netwalker ransomware full analysis

3 Setembro, 2021

Netwalker is a data encryption malware that represents an evolution of the well-known Kokoklock ransomware and has been active since September 2019. This article will detail the specific technical features of the Netwalker ransomware. We will analyze what Netwalker is, how it works, and how you can avoid falling victim to this threat.

Malware, Malware and Phishing Analysis, reverse engineering, segurancainformatica

Ragnar Locker – Malware analysis

19 Agosto, 2021

Ragnar Locker is ransomware that affects devices running Microsoft Windows operating systems. It was initially observed towards the end of December 2019 as part of a series of attacks against compromised networks.

Malware, Malware and Phishing Analysis, reverse engineering, segurancainformatica

Secrets behind the Lazarus’s VHD ransomware

17 Agosto, 2021

Data encryption malware is one of the most popular malware families in recent years and targets mass volumes of users and companies around the world. In this article, we will take a deep dive into a new VHD ransomware distributed in the wild by the Lazarus group — the criminals behind the WannaCry incident in 2017.

Malware, Malware and Phishing Analysis, reverse engineering, segurancainformatica

The clandestine Horus Eyes RAT: From the underground to criminals’ arsenal

5 Agosto, 2021

The clandestine Horus Eyes RAT: From the underground to criminals’ arsenal.

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    Author – Founder

    pedro tavares

    Pedro Tavares is a professional in the field of information security working as an Ethical Hacker/Pentester, Malware Researcher and also a Security Evangelist. He is also a founding member at CSIRT.UBI and Editor-in-Chief of the security computer blog seguranca-informatica.pt.

    In recent years he has invested in the field of information security, exploring and analyzing a wide range of topics, such as pentesting (Kali Linux), malware, exploitation, hacking, IoT and security in Active Directory networks.  He is also Freelance Writer (Infosec. Resources Institute and Cyber Defense Magazine) and developer of the 0xSI_f33d – a feed that compiles phishing and malware campaigns targeting Portuguese citizens.

    Read more here.

    Newsletter

    #0xSI_f33d

    The Portuguese Abuse Open Feed

    si_f33d
    @ VirusTotal offical ingestor

    Add a new phishing / malware campaing into 0xSI_f33d

    Infographic – Threat Report Portugal Q2 2022

    si_f33d

    Download [PDF] or [PNG]

    Taking the bait: The modus operandi of massive social engineering waves impacting banks in Portugal

    clickthebait

    The new maxtrilha trojan is being disseminated and targeting several banks

    maxtrilha

    The clandestine Horus Eyes RAT: From the underground to criminals’ arsenal

    qbot

    A taste of the latest release of QakBot

    qbot

    Javali trojan weaponizing Avira antivirus legitimate injector

    javali

    Anubis Network – The evolution of the Phishing schema

    anubis

    Threat analysis: The emergent URSA trojan impacts many countries using a sophisticated loader

    ursa

    In-depth analysis of a trojan banker impacting Portugal and Brazil

    trojan_portugal_and_Brazil

    Grandoreiro malware May 2020 – Portugal

    The updated Grandoreiro Malware equipped with latenbot-C2 features in Q2 2020 now extended to Portuguese banks

    grandoreiro_portugal_2020

    Brazilian trojan banker is targeting Portuguese users using browser overlay

    predictions

    Trojan Lampion – Portugal

    predictions

    New release of Lampion trojan spreads in Portugal with some improvements on the VBS downloader

    lampion

    Banking Phishing Portugal

    Banking Phishing | Targets Portugal, Spain, Brazil and Chile | From Brazil | Infection process

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